summaryrefslogtreecommitdiffstats
path: root/include/xen
diff options
context:
space:
mode:
Diffstat (limited to 'include/xen')
-rw-r--r--include/xen/hvm.h34
1 files changed, 32 insertions, 2 deletions
diff --git a/include/xen/hvm.h b/include/xen/hvm.h
index b193fa2f9fdd..13e43e41637d 100644
--- a/include/xen/hvm.h
+++ b/include/xen/hvm.h
@@ -5,6 +5,36 @@
#include <xen/interface/hvm/params.h>
#include <asm/xen/hypercall.h>
+static const char *param_name(int op)
+{
+#define PARAM(x) [HVM_PARAM_##x] = #x
+ static const char *const names[] = {
+ PARAM(CALLBACK_IRQ),
+ PARAM(STORE_PFN),
+ PARAM(STORE_EVTCHN),
+ PARAM(PAE_ENABLED),
+ PARAM(IOREQ_PFN),
+ PARAM(BUFIOREQ_PFN),
+ PARAM(TIMER_MODE),
+ PARAM(HPET_ENABLED),
+ PARAM(IDENT_PT),
+ PARAM(DM_DOMAIN),
+ PARAM(ACPI_S_STATE),
+ PARAM(VM86_TSS),
+ PARAM(VPT_ALIGN),
+ PARAM(CONSOLE_PFN),
+ PARAM(CONSOLE_EVTCHN),
+ };
+#undef PARAM
+
+ if (op >= ARRAY_SIZE(names))
+ return "unknown";
+
+ if (!names[op])
+ return "reserved";
+
+ return names[op];
+}
static inline int hvm_get_parameter(int idx, uint64_t *value)
{
struct xen_hvm_param xhv;
@@ -14,8 +44,8 @@ static inline int hvm_get_parameter(int idx, uint64_t *value)
xhv.index = idx;
r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv);
if (r < 0) {
- printk(KERN_ERR "Cannot get hvm parameter %d: %d!\n",
- idx, r);
+ printk(KERN_ERR "Cannot get hvm parameter %s (%d): %d!\n",
+ param_name(idx), idx, r);
return r;
}
*value = xhv.value;